<template>
  <div>
    <table border="1" width="700" style="border-collapse: collapse">
      <caption>
        购物车
      </caption>
      <thead>
        <tr>
          <th><input type="checkbox" v-model="isAll" /> <span>全选</span></th>
          <th>名称</th>
          <th>价格</th>
          <th>数量</th>
          <th>总价</th>
          <th>操作</th>
        </tr>
      </thead>
      <tbody>
        <ShopItem v-for="(item, index) in goodList" :key="index" :item="item" :index="index" />
      </tbody>
      <tfoot>
        <tr>
          <td>合计:{{sum}}</td>
          <td colspan="5"></td>
        </tr>
      </tfoot>
    </table>
  </div>
</template>

<script>
import ShopItem from "@/components/shop-item.vue";
import { mapState,mapGetters} from "vuex";
export default {
  components: {
    ShopItem,
  },
  data() {
    return {};
  },
  computed: {
    ...mapState("shop", ["goodList"]),
    ...mapGetters('shop',['sum']),
    isAll: {
      get() {
        return this.goodList.every((item) => item.checked);
      },
      set(val) {
        this.goodList.forEach((item) => (item.checked = val));
      },
    },
    
  },
};
</script>

<style></style>
